Bolt on keeper



FIG. 1 is a front, right side perspective view of a bolt on keeper showing my new design;

FIG. 2 is a right end view thereof;

FIG. 3 is a left end view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear side elevational view thereof; and,

FIG. 7 is a front elevational view thereof. 

The ornamental design for a bolt on keeper, as shown and described. 